== Visa documentation
- Visa appointment confirmation
- DS160 confirmation
- Passport with validity = last day of stay + 6 months
- Proof of visa fee payment
- Visa payment account
== Establish employee credentials
- Employee ID card
- Business Card
- Appointment Letter
- Appraisal letter
- Employee certificate from employer
== Establish employee financial creds
- Payslips / Salary slips - 6 months worth
- Bank statement - 6 months worth
- Salary certificate from employer
- Tax returns
== Establish employer credentials
- Certificate of incorporation
- Bank statements - 4 to 6 months
- Tax returns - three or more fiscal years' worth
- Brouchers (optional)
== Establish intent to leave the US after business is done
- Compelling reasons to come back
- Property, family each supported with documents and photos
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== Employer to Client relationship
- Non-disclosure agreement
- Master service agreement
- Statement of work
- Invitation letter to employee
- Visa request letter to consul general from client
- Travel itinerary
- Business plan / schedule / training plan / conference agenda
- Who's paying for the trip, food, accommodation, etc? Proof? statement?
- Hotel booking?